GPU Resource Management On JDOS 梁永清 liangyongqing1@jd.com 提供的服务 1. 用于实验的 GPU 容器 2.基于 Kubeflow 的机器学习训练服务 3.模型管理和模型 Serving 服务 Experiment Training Serving 均基于容器，不对业务方直接提供 GPU 物理机 GPU 实验 JDOS 常规的容器服务

Level of Details Allows extensive filtering by Object, User Account etc Has information about Connection Events Available in MySQL Enterprise, Percona Server, MariaDB © 2018 Percona. 18 Audit Log "record":"743017006_2018-03- 31T01:03:12","timestamp":"2018-03-31T15:53:42 UTC","command_class":"select","connection_id":"2394","status" :0,"sqltext":"SELECT SUM(k) FROM sbtest1 WHERE id BETWEEN 3 AND 102","user":"sbtest[sbtest] a lot of data ? © 2018 Percona. 37 Want Processed Logs ? Check out Percona Monitoring and Management © 2018 Percona. 38 Need Help ? Percona - MySQL, MariaDB, MongoDB, PostgreSQL Support and

Performance measurement Test topology Test result Service type Short connection cps Short connection P99 latency Long connection pps ClusterIP +40% -31% not available NodePort +64% -47% +22% Test IPVS-BPF IPVS 0 20000 40000 60000 80000 100000 120000 140000 160000 180000 Nodeport short connection Instructions/req Lessons from eBPF • No loop support in eBPF verifier (Linux 4.14) • #param

in Software Engineering Mike Ballou“There is no single development, in either technology or management technique, which by itself promises even one order-of- magnitude improvement within a decade abstract away its complexity often abstract away its essence • Not only technical problems but management problems as well comes from the complexity • It creates the tremendous learning and understanding I can help them I need…” • to Containerize the software, but to run that I need… • a Container Management Platform, but to network it I need… • a Service Mesh, but to secure it I need… • an automated Certificate

Helm Chart Support • Helm Chart repository • Same mechanism and user experiences with image management Multi Deployments • Docker Compose • BOSH/Pivotal Tile • Helm Chart Label • Label in project features harbor should provide? Q2: How does the Harbor architecture evolve? Q3: How to converge management of image and chart? Q4: Is it reasonable to involve day0 operation in Harbor? Website ： https://github

LiveSync, Debugging, Starter Kits o Plugins Management o Visual Studio Integration Coming o Public Beta Now! WHY: Easier bootstrapping, no SDK management, Easy debugging WHO: Windows developers, Visua

boundary.Memory model https://gchandbook.org/ Garbage collection is really “automatic memory management”. - Reference counted - C++ – std::shared_ptr - Python - Objective-C (manual or automatic - COM – AddRef()/Release() - Non-Reference counted - .NET - JVM - JavaScript Manual memory management is rarely advocated for anymore.Memory model – Manual Memory is allocated and deallocated directly

Golang specifics • Software engineering (implement/use/best practices) • Tech leadership and/or management • Your experience building XWhere to find us? Email: lukasz@lukaszgut.com, jakubdal@gmail.com

Golang specifics • Software engineering (implement/use/best practices) • Tech leadership and/or management • Your experience building XWhere to find us? Email: lukasz@lukaszgut.com, jakubdal@gmail.com

Golang specifics • Software engineering (implement/use/best practices) • Tech leadership and/or management • Your experience building XWhere to find us? Email: lukasz@lukaszgut.com, jakubdal@gmail.com